*SUPPORT*
IN: zup gazzer lug OUT: YELLOW GREEN GREEN
IN: dax blicket zup OUT: YELLOW BLUE YELLOW YELLOW
IN: fep blicket fep OUT: RED RED RED RED
IN: dax blicket fep OUT: RED BLUE RED RED
IN: zup lug OUT: YELLOW YELLOW
IN: fep wif OUT: RED RED
IN: gazzer fep OUT: GREEN RED
IN: zup OUT: YELLOW
IN: gazzer blicket fep OUT: RED GREEN RED RED
IN: fep dax blicket zup OUT: RED YELLOW BLUE YELLOW YELLOW
IN: zup wif OUT: YELLOW YELLOW
IN: fep OUT: RED
IN: gazzer blicket dax OUT: BLUE GREEN BLUE BLUE
IN: fep blicket zup OUT: YELLOW RED YELLOW YELLOW

*QUERY*
IN: dax OUT: BLUE
IN: fep gazzer wif OUT: RED GREEN GREEN
IN: fep lug OUT: RED RED
IN: fep blicket gazzer OUT: GREEN RED GREEN GREEN
IN: fep zup lug OUT: RED YELLOW YELLOW
IN: zup fep OUT: YELLOW RED
IN: gazzer fep blicket fep OUT: GREEN RED RED RED RED
IN: dax wif OUT: BLUE BLUE
IN: dax lug OUT: BLUE BLUE
IN: zup gazzer blicket dax OUT: YELLOW BLUE GREEN BLUE BLUE

*GRAMMAR*
fep -> RED 
 dax -> BLUE 
 gazzer -> GREEN 
 zup -> YELLOW 
 u1 blicket u2 -> [u2] [u1] [u2] [u2] 
 u1 lug -> [u1] [u1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 